code: def prefetch_models():
      models = ["bist", "ner", "intent_extraction"]
      for model in models:
          services[model] = Service(model)
  
file_path: nlp-architect/server/serve.py
imports: import gzip
  import json
  from os import path
  import hug
  from falcon import status_codes
  from service import Service, parse_headers, format_response
label_desc: Use image node_id 1 for calling a global function with example usage: prefetch_models() without return types